National Museum of Nuclear Science & History
C. L. Klein worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clarence Trammell was a staff worker at Los Alamos during the Manhattan Project.
Eva Pennartz worked for the Roane-Anderson Company.
Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.
Majorie Feltz helped with clerical tasks at Los Alamos, including on the facility's supply records and cardex system in 1946.